错误信息中的异常信息为：com.alibaba.otter.node.etl.load.exception.LoadException: org.springframework...
最近测试Hadoop和Hbase集群,一次断电之后,Hbase无法正常启动,经过一系列配置之后,终于使得Hbase重新启动,但是却出现了新的问题,新建表时,总是提示Table already exists,很是郁闷,不知道什么原因,虽说以前建过同名的表,可是HDFS上和Hbase相关的东西都已经删除了。最后通过Google找到了解决方案,有可能是zookeeper的原因导...
今天遇到一个关于MySQL求助的问题,修改表结构时遇到“ERROR 1050 (42S01): table xxx already exits" mysql> ALTER TABLE DAY_BOOK_REPORT ADD UNIT_PRICE_PCS DOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_BOOK_REPORT确实不存...
今天遇到一个关于MySQL求助的问题,修改表结构时遇到“ERROR 1050 (42S01): table xxx already exits” mysql> ALTER TABLE DAY_BOOK_REPORT ADD UNIT_PRICE_PCS DOUBLE(12,2) DEFAULT NULL; ERROR 1050 (42S01): TABLE 'INVGSP/#SQL-IB379' ALREADY EXISTS mysql> 检查了后,发现表DAY_BOOK_REPORT确实不...
CREATE TABLE IF NOT EXISTS public.new_table AS TABLE public.src_table; NOTICE: relation "new_table" already exists, skipping 场景3:仅复制表结构,不同步数据。 CREATE TABLE public.new_table AS TABLE public.src_table WITH NO DATA; 场景4:复制新表并同步select查询的数据。 CREATE TABLE public.new...
使用JDBC执行create table as语句报错 ERROR: relation "xx" already exists 问题分析:JDBC调用preparedStatement.getParameterMetaData()时会发送P报文,该报文会在数据库中创建表,导致execute执行时报表已存在。 处理方法:使用preparedStatement时,建议将CREATE TABLE AS拆开执行或者使用resultSet.getMetaData()。
CREATE TABLE dbo.doc_exz (column_a INT, column_b INT) ; GO INSERT INTO dbo.doc_exz (column_a) VALUES (7) ; GO ALTER TABLE dbo.doc_exz ADD CONSTRAINT col_b_def DEFAULT 50 FOR column_b ; GO INSERT INTO dbo.doc_exz (column_a) VALUES (10) ; GO SELECT * FROM dbo.doc_exz ;...
If the table specified by the HISTORY_TABLE parameter already exists, it validates against the newly created temporal table in terms of schema consistency and temporal data consistency. If you specify an invalid history table, the CREATE TABLE statement fails.Create...
IF EXISTS Applies to: SQL Server ( SQL Server 2016 (13.x) throughcurrent version). Conditionally drops the table only if it already exists. schema_name Is the name of the schema to which the table belongs. table_name Is the name of the table to be removed. ...
ALTER TABLE t1 CHANGE b a INT NOT NULL; RENAME COLUMN is more convenient to change the name without changing the definition because it requires only the old and new names: ALTER TABLE t1 RENAME COLUMN b TO a; In general, you cannot rename a column to a name that already exists in th...